John David Bohler, MD

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

• Bitterroot Health - Daly Hospital Hospital · Hamilton, MT

Colleagues at Marcus Daly Memorial Hospital Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 97 clinicians in the practice; 12 are shown here.

• Joie Abner, DO Emergency Medicine Physician · Great Falls, MT
• Karen Ahlstrom, MD Otolaryngology Physician · Missoula, MT
• Mary E Camden, MD Obstetrics & Gynecology Physician · Hamilton, MT
• Shahid Sattar Chaudhary, MD Nephrology Physician · Missoula, MT
• Kelly Marie Gregory, FNP Nurse Practitioner · Kalispell, MT
• MS. Nicole Nichelle Ivey, NP Adult Health Nurse Practitioner · Waco, TX
• Dr. Aaron Christopher Laird, MD Emergency Medicine Physician · Hamilton, MT
• Sarah Liston, DO Neurology Physician · Logan, UT
• Rebecca A Miller Student in an Organized Health Care Education/Training Program · New York, NY
• Courtney Charlotte Shanahan, APRN, FNP-C Family Nurse Practitioner · Hamilton, MT
• Robert W Smith, MD Family Medicine Physician · Hamilton, MT
• Benjamin J Watters, MD Emergency Medicine Physician · Hamilton, MT

Other providers in Helena

• Dr. Kenneth Vernon Eden, MD

  Individual Gastroenterology Physician · NPI 1598863904

  2525 Broadway Ste 200, Helena, MT 59601 · (406) 457-4343

• Michael Lee, MD

  Individual Gastroenterology Physician · NPI 1285619734

  3330 Ptarmigan Ln, Helena, MT 59602-0521 · (406) 457-4180

• Donna Gayle Porte, APRN-BC

  Individual Gastroenterology Physician · NPI 1275634891

  2525 Broadway Ste 200, Helena, MT 59604 · (406) 457-4343